The Compendium of Bheḷa 1.7.1

1.7.1

indriyāṇi hi sarvāṇi parijīryanti jīryataḥ | tasmāt sarvatra vayasi yathākālaṃ striyaṃ vrajet ||

For all the sense faculties decay as one ages; / therefore, at every age one should approach a woman at the proper time.